sadanundio, Gobius Hamilton [F.] 1822:52, 366 [An account of the fishes found in the river Ganges; ref. 2031] Botanical Garden of Calcutta, Ganges River estuary, India. No types known. Information on type locality see Britz 2019:38 [ref. 37532]. Hamilton's original, unpublished illustration reproduced by Britz 2019:Pl. 33 [ref. 37532]. •Valid as Stigmatogobius sadanundio (Hamilton 1822) -- (Ataur Rahman 1989:303 [ref. 24860], Talwar & Jhingran 1991:949 [ref. 20764], Kottelat et al. 1993:154 [ref. 23448], Rainboth 1996:209 [ref. 22772], Larson in Randall & Lim 2000:640 [ref. 25122], Larson 2001:211 [ref. 25522], Larson & Murdy 2001:3602 [ref. 26293], Ataur Rahman 2003:328 [ref. 31338], Larson 2005:360 [ref. 28521], Larson et al. 2008:144 [ref. 29532], Shibukawa 2009:286 [ref. 30449], Kottelat 2013:430 [ref. 32989], Huang et al. 2014:114 [ref. 33161], Parenti 2021:374 [ref. 38603], Jamaluddin et al. 2022:[7] [ref. 39245]). Current status: Valid as Stigmatogobius sadanundio (Hamilton 1822). Oxudercidae: Gobionellinae. Distribution: South Asia, Southeast Asia: India, Sri Lanka, Bangladesh, Andaman Islands to Singapore. Habitat: freshwater, brackish, marine.